RU2008129663A - METHOD FOR METAL NITRATES CONVERSION - Google Patents

METHOD FOR METAL NITRATES CONVERSION Download PDF

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RU2008129663A
RU2008129663A RU2008129663/04A RU2008129663A RU2008129663A RU 2008129663 A RU2008129663 A RU 2008129663A RU 2008129663/04 A RU2008129663/04 A RU 2008129663/04A RU 2008129663 A RU2008129663 A RU 2008129663A RU 2008129663 A RU2008129663 A RU 2008129663A
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oxide
metal
nitrate
metal oxide
metal nitrate
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RU2008129663/04A
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RU2429073C2 (en
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Елле Рудольф Анне СИТСМА (NL)
Елле Рудольф Анне СИТСМА
ДИЛЛЕН Адрианус Якобус ВАН (NL)
ДИЛЛЕН Адрианус Якобус ВАН
ЙОНГ Петра Элизабет ДЕ (NL)
ЙОНГ Петра Элизабет ДЕ
ЙОНГ Крийн Питер ДЕ (NL)
ЙОНГ Крийн Питер ДЕ
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Джонсон Мэтти Плс (Gb)
Джонсон Мэтти Плс
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Priority claimed from GB0525887A external-priority patent/GB0525887D0/en
Priority claimed from GB0611464A external-priority patent/GB0611464D0/en
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Abstract

1. Способ превращения нанесенного нитрата металла в соответствующий нанесенный оксид металла, включающий нагревание нитрата металла для активизации его разложения в газовой смеси, содержащей оксид азота и кислород в количестве <5 об.%. ! 2. Способ по п.1, в котором носитель пропитывают нитратом металла из раствора и сушат для удаления растворителя перед нагреванием нитрата металла, с целью его превращения в соответствующий оксид металла. ! 3. Способ по п.1, в котором газовая смесь состоит из одного или более инертных газов и оксида азота. ! 4. Способ по п.3, в котором инертный газ выбирают из азота, гелия или аргона. ! 5. Способ по п.1, в котором концентрация оксида азота в газовой смеси находится в интервале 0,001-15 об.%. ! 6. Способ по п.1, в котором нанесенный нитрат металла нагревают до температуры в интервале 100-1200°С. ! 7. Способ по п.1, в котором нитрат металла является нитратом переходного металла. ! 8. Способ по п.1, в котором нитрат металла является нитратом никеля, кобальта, меди или железа. ! 9. Способ по п.1, в котором носитель является металлом, углеродом, оксидом металла, смешанным оксидом металла или твердым полимером. ! 10. Способ по п.1, в котором носитель выбирают из оксида алюминия, алюмината металла, оксида кремния, алюмосиликата, оксида титана, оксида циркония или их смесей. ! 11. Способ по п.1, в котором нанесенный оксид металла представляет собой восстанавливаемый оксид металла, включающий нагревание нанесенного оксида металла в токе газа-восстановителя для активации восстановления по меньшей мере части оксида металла. ! 12. Способ по п.11, в котором поток газа-восстановителя содержит монооксид углерода и/или водород. ! 13. Способ по �1. A method of converting a supported metal nitrate into a corresponding supported metal oxide, comprising heating the metal nitrate to enhance its decomposition in a gas mixture containing nitrogen oxide and oxygen in an amount of <5 vol.%. ! 2. The method of claim 1, wherein the support is impregnated with a metal nitrate from the solution and dried to remove the solvent before heating the metal nitrate to convert it to the corresponding metal oxide. ! 3. The method of claim 1, wherein the gas mixture consists of one or more inert gases and nitrogen oxide. ! 4. The method of claim 3, wherein the inert gas is selected from nitrogen, helium, or argon. ! 5. The method according to claim 1, wherein the concentration of nitrogen oxide in the gas mixture is in the range of 0.001-15 vol.%. ! 6. The method of claim 1, wherein the supported metal nitrate is heated to a temperature in the range of 100-1200 ° C. ! 7. The method of claim 1, wherein the metal nitrate is a transition metal nitrate. ! 8. The method of claim 1, wherein the metal nitrate is nickel, cobalt, copper or iron nitrate. ! 9. The method of claim 1, wherein the support is a metal, carbon, metal oxide, mixed metal oxide, or solid polymer. ! 10. The method of claim 1, wherein the support is selected from alumina, metal aluminate, silicon oxide, aluminosilicate, titanium oxide, zirconium oxide, or mixtures thereof. ! 11. The method of claim 1, wherein the supported metal oxide is a reducible metal oxide comprising heating the supported metal oxide in a flow of a reducing gas to activate reduction of at least a portion of the metal oxide. ! 12. The method of claim 11, wherein the reducing gas stream comprises carbon monoxide and / or hydrogen. ! 13. Method according to �

Claims (17)

1. Способ превращения нанесенного нитрата металла в соответствующий нанесенный оксид металла, включающий нагревание нитрата металла для активизации его разложения в газовой смеси, содержащей оксид азота и кислород в количестве <5 об.%.1. The method of converting the deposited metal nitrate into the corresponding deposited metal oxide, comprising heating the metal nitrate to activate its decomposition in a gas mixture containing nitric oxide and oxygen in an amount of <5 vol.%. 2. Способ по п.1, в котором носитель пропитывают нитратом металла из раствора и сушат для удаления растворителя перед нагреванием нитрата металла, с целью его превращения в соответствующий оксид металла.2. The method according to claim 1, in which the carrier is impregnated with metal nitrate from the solution and dried to remove the solvent before heating the metal nitrate, in order to turn it into the corresponding metal oxide. 3. Способ по п.1, в котором газовая смесь состоит из одного или более инертных газов и оксида азота.3. The method according to claim 1, in which the gas mixture consists of one or more inert gases and nitric oxide. 4. Способ по п.3, в котором инертный газ выбирают из азота, гелия или аргона.4. The method according to claim 3, in which the inert gas is selected from nitrogen, helium or argon. 5. Способ по п.1, в котором концентрация оксида азота в газовой смеси находится в интервале 0,001-15 об.%.5. The method according to claim 1, in which the concentration of nitric oxide in the gas mixture is in the range of 0.001-15 vol.%. 6. Способ по п.1, в котором нанесенный нитрат металла нагревают до температуры в интервале 100-1200°С.6. The method according to claim 1, in which the deposited metal nitrate is heated to a temperature in the range of 100-1200 ° C. 7. Способ по п.1, в котором нитрат металла является нитратом переходного металла.7. The method according to claim 1, wherein the metal nitrate is a transition metal nitrate. 8. Способ по п.1, в котором нитрат металла является нитратом никеля, кобальта, меди или железа.8. The method according to claim 1, in which the metal nitrate is a nitrate of Nickel, cobalt, copper or iron. 9. Способ по п.1, в котором носитель является металлом, углеродом, оксидом металла, смешанным оксидом металла или твердым полимером.9. The method according to claim 1, in which the carrier is a metal, carbon, metal oxide, mixed metal oxide or a solid polymer. 10. Способ по п.1, в котором носитель выбирают из оксида алюминия, алюмината металла, оксида кремния, алюмосиликата, оксида титана, оксида циркония или их смесей.10. The method according to claim 1, in which the carrier is selected from aluminum oxide, metal aluminate, silicon oxide, aluminosilicate, titanium oxide, zirconium oxide, or mixtures thereof. 11. Способ по п.1, в котором нанесенный оксид металла представляет собой восстанавливаемый оксид металла, включающий нагревание нанесенного оксида металла в токе газа-восстановителя для активации восстановления по меньшей мере части оксида металла.11. The method according to claim 1, in which the supported metal oxide is a reducible metal oxide, comprising heating the supported metal oxide in a stream of reducing gas to activate the reduction of at least a portion of the metal oxide. 12. Способ по п.11, в котором поток газа-восстановителя содержит монооксид углерода и/или водород.12. The method according to claim 11, in which the stream of the reducing gas contains carbon monoxide and / or hydrogen. 13. Способ по п.11, в котором нанесенный оксид металла является оксидом никеля, оксидом кобальта, оксидом меди или оксидом железа и восстановление проводят водородсодержащим газом.13. The method according to claim 11, in which the supported metal oxide is nickel oxide, cobalt oxide, copper oxide or iron oxide and the reduction is carried out with a hydrogen-containing gas. 14. Нанесенный оксид металла, получаемый способом по любому из пп.1-10.14. The deposited metal oxide obtained by the method according to any one of claims 1 to 10. 15. Нанесенный восстанавливаемый оксид металла, получаемый способом по любому из пп.11-13.15. The deposited reducible metal oxide obtained by the method according to any one of paragraphs.11-13. 16. Способ по п.1, в котором нитрат металла является нитратом La, Zr, Cr, Mn, Fe, Ru, Co, Rh, Ir, Ni, Pd, Pt, Cu или Zn.16. The method according to claim 1, wherein the metal nitrate is La, Zr, Cr, Mn, Fe, Ru, Co, Rh, Ir, Ni, Pd, Pt, Cu or Zn nitrate. 17. Способ по п.1, в котором нитрат металла представляет собой нитрат Cr, Mn, Fe, Ru, Co, Rh, Ir, Ni, Pd, Pt, Cu или Zn. 17. The method according to claim 1, in which the metal nitrate is a nitrate of Cr, Mn, Fe, Ru, Co, Rh, Ir, Ni, Pd, Pt, Cu or Zn.
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